/Engine/Plugins/Enterprise/DatasmithImporter/Source/DirectLinkExtension/Public/IDirectLinkManager.h
Get the list of allFDirectLinkExternalSourcecurrently available.
[TArray](API\Runtime\Core\Containers\TArray)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FDirectLinkExternalSource](API\Plugins\DirectLinkExtension\FDirectLinkExternalSource) > > GetExternalSourceList() const